Badillo-Piña, I. J., R. Tejeida-Padilla, and O. Morales-Matamoros. “A VIABLE SYSTEMS MODEL APPROACH TO ENTERPRISE RESOURCES PLANNING SYSTEMS”. Proceedings of the 52nd Annual Meeting of the ISSS - 2008, Madison, Wisconsin, vol. 3, no. 1, July 2008, https://journals.isss.org/index.php/proceedings52nd/article/view/971.